U0448

Invalid Data Received From Serial Data Gateway Module B

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$94–278 (est.)

Symptoms

Check Engine Light Is On
Unstable operation of some car systems
Diagnostic problems
Information system malfunctions
Incorrect instrument readings

Causes

Data Gateway Module B fault
Data Gateway Wiring Harness Problems
Corrosion or poor contact in connectors
Software error in one of the modules
Damage to the internal circuitry of the gateway

How to Fix

Check the condition of the data gateway wiring and connectors
Scan error memory of all modules
Check module software version
Test or replace Data Gateway Module B

Related codes

U0446 U0447 U0449